Deck 22: Promoting Environmental Health

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Question
Smog is sometimes called

A)carbon monoxide pollution.
B)ozone pollution.
C)particulate pollution.
D)sulfur dioxide pollution.
Use Space or
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Question
Which of the following is a concern in regard to overpopulation?

A)increased amount of land used for agricultural purposes
B)increased levels of prosperity in developed nations
C)increased use of alternative fuels
D)increased fish stocks
Question
Smog tends to form in areas that experience

A)high rainfall.
B)dry conditions.
C)a climate shift.
D)a temperature inversion.
Question
Countries with the largest per capita "ecological footprint" include which of the following?

A)China
B)India
C)United States
D)Australia
Question
Which of the six major outdoor air pollutants is a metallic element that is also a significant concern indoors?

A)dioxin
B)formaldehyde
C)lead
D)sulfur
Question
Reasons for continued population growth in many developing nations include all of the following circumstances for women EXCEPT

A)lack of education.
B)no access to birth control.
C)rising economic status.
D)little control over reproductive choices.
Question
Acid deposition mainly consists of airborne deposits of sulfur dioxide and

A)carbon monoxide.
B)nitrogen oxides.
C)ozone.
D)lead.
Question
Chemicals used to kill weeds and vegetation are

A)PCBs.
B)solvents.
C)pesticides.
D)herbicides.
Question
Chemicals used to kill insects and rodents are

A)dioxins.
B)solvents.
C)pesticides.
D)herbicides.
Question
In which of the following regions is smog most likely to be a concern?

A)at the top of Mount Rainier
B)along the Florida coastline
C)in the San Fernando Valley
D)over an industrial farm in Nebraska
Question
Air pollutants regulated by the Clean Air Act include all of the following EXCEPT

A)sulfur dioxide.
B)carbon monoxide.
C)particulates.
D)carbon dioxide.
Question
When trying to ensure clean air in your home,sources of pollution to look for include all of the following EXCEPT

A)radon.
B)asbestos.
C)formaldehyde.
D)nitroglycerine.
Question
All of the following statements about particulates are true EXCEPT

A)they are tiny particles suspended in the air.
B)diesel engines emit particulates.
C)they impair visibility.
D)they have few health effects.
Question
Motor vehicle exhaust is a source of which odorless,colorless gas that also contributes to the formation of smog?

A)carbon monoxide
B)lead
C)carbon dioxide
D)sulfur dioxide
Question
A colorless gas that dissolves in water vapor to form acid and is emitted from coal-fired power plants is

A)nitrogen dioxide.
B)carbon monoxide.
C)carbon dioxide.
D)sulfur dioxide.
Question
All of the following are consequences of population growth EXCEPT

A)natural resources being depleted.
B)animal habitats being destroyed.
C)decreased availability of clean water.
D)higher healthcare costs.
Question
As compared to today,by the year 2050,the world's population is expected to

A)decline by about 100 million people.
B)stay about the same.
C)increase by about 1 billion people.
D)increase by about 2 billion people.
Question
An Air Quality Index of 50 indicates that the air quality is

A)good.
B)unhealthy for sensitive people.
C)unhealthy for everyone.
D)hazardous.
Question
Experts analyze the carrying capacity of the earth to figure out

A)how to increase available resources.
B)the earth's population over the next century.
C)the maximum population the earth can support.
D)how to ration resources for the existing population.
Question
The country projected to have the largest population by 2050 is

A)China.
B)India.
C)Nigeria.
D)Indonesia.
Question
Economic development that meets the needs of the present without compromising the needs of future generations is called

A)environmental development.
B)sustainable development.
C)progressive development.
D)ecological development.
Question
An important strategy for avoiding mold is to

A)keep the humidity in your home between 60 and 80 percent.
B)make sure you keep the doors and windows in your home tightly sealed.
C)lay down carpeting in bathrooms and basements.
D)use a dehumidifier in damp rooms.
Question
Earth's average temperature has risen by how much in the past 100 years?

A)0)5°F
B)1)5°F
C)2)5°F
D)3)5°F
Question
Increases in the planet's temperature over the past few decades can be attributed to

A)acid rain.
B)excess carbon monoxide.
C)the increased use of chlorofluorocarbons.
D)the enhanced greenhouse effect.
Question
All of the following are examples of resources that reduce carbon emissions EXCEPT

A)solar.
B)wind.
C)bioenergy.
D)coal.
Question
Climate change is

A)synonymous with global warming.
B)due to a rise in global sea levels and solar output as well as changes in the earth's orbit.
C)due to sustainable development.
D)evidenced by patterns of shifts in temperature,precipitation,and frequency of catastrophic climate storms that exceed what might be predicted by natural causes.
Question
The two general types of water pollution are described as

A)point source and nonpoint source.
B)toxic and nontoxic.
C)runoff and nonrunoff.
D)acid and nonacid.
Question
Climate change is evidenced by which of the following features?

A)the warmest winter on record in the Northeastern U.S.
B)a shift to a pattern of unusual fluctuations in rain or snowfall amounts
C)the end of seasonal variations
D)the occurrence of a hurricane
Question
Most experts agree that a key step in slowing climate change is to

A)repeal all industrial waste laws.
B)reduce consumption of fossil fuels.
C)make cars larger and more efficient.
D)eliminate mass transportation.
Question
The primary greenhouse gas in the atmosphere is

A)nitrous oxide.
B)carbon dioxide.
C)hydrochlorazine.
D)methane.
Question
The chemical originally contained in aerosol propellants that is thought to have contributed to the depletion of the ozone layer is

A)carbon oxides.
B)chlorofluorocarbons.
C)fluorohydrochlorides.
D)nitrous oxide.
Question
Cap and trade policies

A)are financial rewards paid to industrial farms that limit their gallons of water used per day.
B)are strongly supported by those who oppose "big government."
C)provide incentives to industrial polluters to limit their carbon emissions.
D)limit the amount of electricity communities are allowed to purchase from coal-fired power plants before they must begin to purchase electricity from solar or wind sources.
Question
Major sources of water contamination include all of the following EXCEPT

A)gas and petroleum products.
B)dioxins.
C)consumer medications.
D)PCBs.
Question
You have been looking at numerous new homes.The nausea and fatigue you are attributing to the stress of buying a new house may actually be due to exposure to

A)asbestos.
B)carbon monoxide.
C)formaldehyde.
D)radon.
Question
The greenhouse effect is

A)the shift in seasonal temperatures and patterns of rainfall that has occurred in the last century.
B)responsible for increasing the average temperature of the earth by about 8°F over the last century.
C)a natural phenomenon.
D)an essential mechanism for keeping the planet cool enough to sustain life.
Question
The ozone layer is

A)close to Earth and poses no serious health threats.
B)in the stratosphere and protects the planet from UVB radiation.
C)a harmful chemical that is produced when oxygen interacts with water.
D)a layer of toxic gas produced by the discharge of aerosols,refrigerants,and solvents high into the earth's stratosphere.
Question
Earth's average temperature is expected to rise by a maximum of how much in the next 100 years?

A)2)5°F
B)5)5°F
C)8)5°F
D)11.5°F
Question
Seth has a sensitivity to mold.When he visits his grandparents and spends time in their damp basement,he likely experiences all of the following EXCEPT

A)nasal congestion.
B)eye and skin irritation.
C)difficulty breathing.
D)migraine headaches.
Question
An example of a point source water pollutant is

A)runoff from a construction site.
B)outflow from a sewage treatment plant.
C)weed-killer used on lawns.
D)leakage from a septic tank.
Question
An example of a nonpoint source water pollutant is

A)outflow from a sewage treatment plant.
B)pesticide runoff from a farm.
C)waste from a mulching operation.
D)industrial waste from a chemical plant.
Question
The release of particles and electromagnetic rays from atomic nuclei during the normal process of disintegration produces

A)cell phone radiation.
B)nonionizing radiation.
C)ionizing radiation.
D)microwave radiation.
Question
The average person in the United States generates how many pounds of municipal solid waste each day?

A)about 1.5
B)more than 4
C)more than 6
D)more than 8
Question
One in four animals is threatened with extinction because of population growth as a result of human activity.
Question
A measure of how clean or polluted the air in a given region is on a particular day is the

A)smog level.
B)carbon level.
C)carbon footprint.
D)air quality index.
Question
Which naturally occurring odorless,colorless gas seeps into homes and is a leading cause of lung cancer?

A)radon
B)asbestos
C)lead
D)mold
Question
Mrs.Smith is an only child.She has three daughters.If all three have three daughters,and each daughter has three daughters,then within four generations,Mrs.Smith would have produced 27 female descendants.
Question
The accident that results when the temperature in the core of a nuclear reactor increases enough to melt the fuel and breach the containment vessel is called a nuclear

A)fire.
B)breach.
C)explosion.
D)meltdown.
Question
Gases that accumulate in the atmosphere and contribute to global warming by trapping heat near Earth's surface are

A)ionizing gases.
B)greenhouse gases.
C)stratospheric gases.
D)hydrocarbons.
Question
Which compound that was formerly used in building materials such as insulation has been found to be the cause of certain cancers and lung diseases?

A)radon
B)asbestos
C)lead
D)PCBs
Question
Sound is measured in

A)amps.
B)watts.
C)decibels.
D)candelas.
Question
The human body does not excrete polychlorinated biphenyls (PCBs)but instead stores them in the

A)lungs.
B)kidneys.
C)liver.
D)muscles.
Question
Marta collects kitchen scraps and yard clippings in a bin outside of her home to use in her garden.She is

A)recycling.
B)composting.
C)combusting.
D)source reducing.
Question
According to experts,what percentage of trash is recyclable?

A)35 percent
B)50 percent
C)75 percent
D)90 percent
Question
Radiation exposure is measured in which of the following units (also called roentgens)?

A)radiation ionized units
B)radiation absorbed doses
C)radiation exposed doses
D)radiation frequency units
Question
All of the following statements regarding cell phones are true EXCEPT

A)radio frequency energy from cell phones can penetrate your body.
B)cell phone use has been proven to pose a clear risk of human tissue damage.
C)for the highest level of safety,it is best to use a hands-free device.
D)the global burden of e-waste from cell phones has skyrocketed in recent years.
Question
The term for an environmental contaminant that causes potential harm to living organisms is

A)pollutant.
B)hazard.
C)runoff.
D)compound.
Question
A measure of the amount of greenhouse gases produced,shown as units of carbon dioxide emissions,is the

A)smog level.
B)carbon level.
C)carbon footprint.
D)air quality index.
Question
The average number of births a female in a given population has during her reproductive years is the

A)conception rate.
B)birth rate.
C)fertility rate.
D)reproductive rate.
Question
Which inexpensive device can be attached to faucets and showerheads to reduce water consumption?

A)filter
B)aerator
C)pump
D)gasket
Question
Lydia is listening to her MP3 player at a decibel level of 80.This is about

A)10 percent softer than a vacuum cleaner.
B)10 percent louder than a vacuum cleaner.
C)10 times louder than a vacuum cleaner.
D)as loud as a chainsaw.
Question
A decibel level of 110 is 10 times louder than 100 decibels.
Question
Toxic waste (hazardous waste)in landfills and dump sites can harm the environment but has little impact on human health.
Question
Identify three strategies for protecting your hearing when listening to an MP3 player.
Question
Explain how taking steps to preserve natural resources,including energy,food,water,and land,can save you money.
Question
Approximately 45% of the radiation that Americans are exposed to is from medical and dental x-rays.
Question
Oil,coal,and natural gas are examples of fossil fuels,which are carbon-based fuels.
Question
Explain why slowing the world's population growth is a critical environmental challenge today.
Question
Explain the concept of an ecological footprint and identify the source contributing most greatly to humanity's ecological footprint.
Question
The climate change that has occurred over the last 100 years is primarily due to human activities.
Question
Evidence suggests that pollution levels within homes and other buildings can be 2 to 5 times higher than in outdoor air.
Question
Runoff from a parking lot is considered nonpoint source pollution.
Question
The federal government established Superfund to provide money for water conservation efforts in certain communities.
Question
All forms of radiation pose a threat to human health.
Question
Discuss three ways you can reduce the waste you generate at home.
Question
Environmental tobacco smoke contains over 40 compounds linked to lung cancer,asthma,heart disease,and sudden infant death syndrome.
Question
Most solid municipal waste is recycled.
Question
Discuss the three main areas of focus in preventing indoor air pollution.
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Deck 22: Promoting Environmental Health
1
Smog is sometimes called

A)carbon monoxide pollution.
B)ozone pollution.
C)particulate pollution.
D)sulfur dioxide pollution.
ozone pollution.
2
Which of the following is a concern in regard to overpopulation?

A)increased amount of land used for agricultural purposes
B)increased levels of prosperity in developed nations
C)increased use of alternative fuels
D)increased fish stocks
increased amount of land used for agricultural purposes
3
Smog tends to form in areas that experience

A)high rainfall.
B)dry conditions.
C)a climate shift.
D)a temperature inversion.
a temperature inversion.
4
Countries with the largest per capita "ecological footprint" include which of the following?

A)China
B)India
C)United States
D)Australia
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k this deck
5
Which of the six major outdoor air pollutants is a metallic element that is also a significant concern indoors?

A)dioxin
B)formaldehyde
C)lead
D)sulfur
Unlock Deck
Unlock for access to all 77 flashcards in this deck.
Unlock Deck
k this deck
6
Reasons for continued population growth in many developing nations include all of the following circumstances for women EXCEPT

A)lack of education.
B)no access to birth control.
C)rising economic status.
D)little control over reproductive choices.
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Unlock for access to all 77 flashcards in this deck.
Unlock Deck
k this deck
7
Acid deposition mainly consists of airborne deposits of sulfur dioxide and

A)carbon monoxide.
B)nitrogen oxides.
C)ozone.
D)lead.
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Unlock Deck
k this deck
8
Chemicals used to kill weeds and vegetation are

A)PCBs.
B)solvents.
C)pesticides.
D)herbicides.
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Unlock Deck
k this deck
9
Chemicals used to kill insects and rodents are

A)dioxins.
B)solvents.
C)pesticides.
D)herbicides.
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Unlock Deck
k this deck
10
In which of the following regions is smog most likely to be a concern?

A)at the top of Mount Rainier
B)along the Florida coastline
C)in the San Fernando Valley
D)over an industrial farm in Nebraska
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Unlock Deck
k this deck
11
Air pollutants regulated by the Clean Air Act include all of the following EXCEPT

A)sulfur dioxide.
B)carbon monoxide.
C)particulates.
D)carbon dioxide.
Unlock Deck
Unlock for access to all 77 flashcards in this deck.
Unlock Deck
k this deck
12
When trying to ensure clean air in your home,sources of pollution to look for include all of the following EXCEPT

A)radon.
B)asbestos.
C)formaldehyde.
D)nitroglycerine.
Unlock Deck
Unlock for access to all 77 flashcards in this deck.
Unlock Deck
k this deck
13
All of the following statements about particulates are true EXCEPT

A)they are tiny particles suspended in the air.
B)diesel engines emit particulates.
C)they impair visibility.
D)they have few health effects.
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Unlock Deck
k this deck
14
Motor vehicle exhaust is a source of which odorless,colorless gas that also contributes to the formation of smog?

A)carbon monoxide
B)lead
C)carbon dioxide
D)sulfur dioxide
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k this deck
15
A colorless gas that dissolves in water vapor to form acid and is emitted from coal-fired power plants is

A)nitrogen dioxide.
B)carbon monoxide.
C)carbon dioxide.
D)sulfur dioxide.
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Unlock Deck
k this deck
16
All of the following are consequences of population growth EXCEPT

A)natural resources being depleted.
B)animal habitats being destroyed.
C)decreased availability of clean water.
D)higher healthcare costs.
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Unlock for access to all 77 flashcards in this deck.
Unlock Deck
k this deck
17
As compared to today,by the year 2050,the world's population is expected to

A)decline by about 100 million people.
B)stay about the same.
C)increase by about 1 billion people.
D)increase by about 2 billion people.
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18
An Air Quality Index of 50 indicates that the air quality is

A)good.
B)unhealthy for sensitive people.
C)unhealthy for everyone.
D)hazardous.
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Unlock for access to all 77 flashcards in this deck.
Unlock Deck
k this deck
19
Experts analyze the carrying capacity of the earth to figure out

A)how to increase available resources.
B)the earth's population over the next century.
C)the maximum population the earth can support.
D)how to ration resources for the existing population.
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Unlock for access to all 77 flashcards in this deck.
Unlock Deck
k this deck
20
The country projected to have the largest population by 2050 is

A)China.
B)India.
C)Nigeria.
D)Indonesia.
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Unlock for access to all 77 flashcards in this deck.
Unlock Deck
k this deck
21
Economic development that meets the needs of the present without compromising the needs of future generations is called

A)environmental development.
B)sustainable development.
C)progressive development.
D)ecological development.
Unlock Deck
Unlock for access to all 77 flashcards in this deck.
Unlock Deck
k this deck
22
An important strategy for avoiding mold is to

A)keep the humidity in your home between 60 and 80 percent.
B)make sure you keep the doors and windows in your home tightly sealed.
C)lay down carpeting in bathrooms and basements.
D)use a dehumidifier in damp rooms.
Unlock Deck
Unlock for access to all 77 flashcards in this deck.
Unlock Deck
k this deck
23
Earth's average temperature has risen by how much in the past 100 years?

A)0)5°F
B)1)5°F
C)2)5°F
D)3)5°F
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Unlock Deck
k this deck
24
Increases in the planet's temperature over the past few decades can be attributed to

A)acid rain.
B)excess carbon monoxide.
C)the increased use of chlorofluorocarbons.
D)the enhanced greenhouse effect.
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Unlock for access to all 77 flashcards in this deck.
Unlock Deck
k this deck
25
All of the following are examples of resources that reduce carbon emissions EXCEPT

A)solar.
B)wind.
C)bioenergy.
D)coal.
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Unlock Deck
k this deck
26
Climate change is

A)synonymous with global warming.
B)due to a rise in global sea levels and solar output as well as changes in the earth's orbit.
C)due to sustainable development.
D)evidenced by patterns of shifts in temperature,precipitation,and frequency of catastrophic climate storms that exceed what might be predicted by natural causes.
Unlock Deck
Unlock for access to all 77 flashcards in this deck.
Unlock Deck
k this deck
27
The two general types of water pollution are described as

A)point source and nonpoint source.
B)toxic and nontoxic.
C)runoff and nonrunoff.
D)acid and nonacid.
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Unlock Deck
k this deck
28
Climate change is evidenced by which of the following features?

A)the warmest winter on record in the Northeastern U.S.
B)a shift to a pattern of unusual fluctuations in rain or snowfall amounts
C)the end of seasonal variations
D)the occurrence of a hurricane
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Unlock Deck
k this deck
29
Most experts agree that a key step in slowing climate change is to

A)repeal all industrial waste laws.
B)reduce consumption of fossil fuels.
C)make cars larger and more efficient.
D)eliminate mass transportation.
Unlock Deck
Unlock for access to all 77 flashcards in this deck.
Unlock Deck
k this deck
30
The primary greenhouse gas in the atmosphere is

A)nitrous oxide.
B)carbon dioxide.
C)hydrochlorazine.
D)methane.
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Unlock Deck
k this deck
31
The chemical originally contained in aerosol propellants that is thought to have contributed to the depletion of the ozone layer is

A)carbon oxides.
B)chlorofluorocarbons.
C)fluorohydrochlorides.
D)nitrous oxide.
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Unlock Deck
k this deck
32
Cap and trade policies

A)are financial rewards paid to industrial farms that limit their gallons of water used per day.
B)are strongly supported by those who oppose "big government."
C)provide incentives to industrial polluters to limit their carbon emissions.
D)limit the amount of electricity communities are allowed to purchase from coal-fired power plants before they must begin to purchase electricity from solar or wind sources.
Unlock Deck
Unlock for access to all 77 flashcards in this deck.
Unlock Deck
k this deck
33
Major sources of water contamination include all of the following EXCEPT

A)gas and petroleum products.
B)dioxins.
C)consumer medications.
D)PCBs.
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Unlock Deck
k this deck
34
You have been looking at numerous new homes.The nausea and fatigue you are attributing to the stress of buying a new house may actually be due to exposure to

A)asbestos.
B)carbon monoxide.
C)formaldehyde.
D)radon.
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Unlock for access to all 77 flashcards in this deck.
Unlock Deck
k this deck
35
The greenhouse effect is

A)the shift in seasonal temperatures and patterns of rainfall that has occurred in the last century.
B)responsible for increasing the average temperature of the earth by about 8°F over the last century.
C)a natural phenomenon.
D)an essential mechanism for keeping the planet cool enough to sustain life.
Unlock Deck
Unlock for access to all 77 flashcards in this deck.
Unlock Deck
k this deck
36
The ozone layer is

A)close to Earth and poses no serious health threats.
B)in the stratosphere and protects the planet from UVB radiation.
C)a harmful chemical that is produced when oxygen interacts with water.
D)a layer of toxic gas produced by the discharge of aerosols,refrigerants,and solvents high into the earth's stratosphere.
Unlock Deck
Unlock for access to all 77 flashcards in this deck.
Unlock Deck
k this deck
37
Earth's average temperature is expected to rise by a maximum of how much in the next 100 years?

A)2)5°F
B)5)5°F
C)8)5°F
D)11.5°F
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Unlock for access to all 77 flashcards in this deck.
Unlock Deck
k this deck
38
Seth has a sensitivity to mold.When he visits his grandparents and spends time in their damp basement,he likely experiences all of the following EXCEPT

A)nasal congestion.
B)eye and skin irritation.
C)difficulty breathing.
D)migraine headaches.
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Unlock for access to all 77 flashcards in this deck.
Unlock Deck
k this deck
39
An example of a point source water pollutant is

A)runoff from a construction site.
B)outflow from a sewage treatment plant.
C)weed-killer used on lawns.
D)leakage from a septic tank.
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Unlock for access to all 77 flashcards in this deck.
Unlock Deck
k this deck
40
An example of a nonpoint source water pollutant is

A)outflow from a sewage treatment plant.
B)pesticide runoff from a farm.
C)waste from a mulching operation.
D)industrial waste from a chemical plant.
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Unlock for access to all 77 flashcards in this deck.
Unlock Deck
k this deck
41
The release of particles and electromagnetic rays from atomic nuclei during the normal process of disintegration produces

A)cell phone radiation.
B)nonionizing radiation.
C)ionizing radiation.
D)microwave radiation.
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Unlock for access to all 77 flashcards in this deck.
Unlock Deck
k this deck
42
The average person in the United States generates how many pounds of municipal solid waste each day?

A)about 1.5
B)more than 4
C)more than 6
D)more than 8
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Unlock Deck
k this deck
43
One in four animals is threatened with extinction because of population growth as a result of human activity.
Unlock Deck
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Unlock Deck
k this deck
44
A measure of how clean or polluted the air in a given region is on a particular day is the

A)smog level.
B)carbon level.
C)carbon footprint.
D)air quality index.
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Unlock for access to all 77 flashcards in this deck.
Unlock Deck
k this deck
45
Which naturally occurring odorless,colorless gas seeps into homes and is a leading cause of lung cancer?

A)radon
B)asbestos
C)lead
D)mold
Unlock Deck
Unlock for access to all 77 flashcards in this deck.
Unlock Deck
k this deck
46
Mrs.Smith is an only child.She has three daughters.If all three have three daughters,and each daughter has three daughters,then within four generations,Mrs.Smith would have produced 27 female descendants.
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Unlock for access to all 77 flashcards in this deck.
Unlock Deck
k this deck
47
The accident that results when the temperature in the core of a nuclear reactor increases enough to melt the fuel and breach the containment vessel is called a nuclear

A)fire.
B)breach.
C)explosion.
D)meltdown.
Unlock Deck
Unlock for access to all 77 flashcards in this deck.
Unlock Deck
k this deck
48
Gases that accumulate in the atmosphere and contribute to global warming by trapping heat near Earth's surface are

A)ionizing gases.
B)greenhouse gases.
C)stratospheric gases.
D)hydrocarbons.
Unlock Deck
Unlock for access to all 77 flashcards in this deck.
Unlock Deck
k this deck
49
Which compound that was formerly used in building materials such as insulation has been found to be the cause of certain cancers and lung diseases?

A)radon
B)asbestos
C)lead
D)PCBs
Unlock Deck
Unlock for access to all 77 flashcards in this deck.
Unlock Deck
k this deck
50
Sound is measured in

A)amps.
B)watts.
C)decibels.
D)candelas.
Unlock Deck
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51
The human body does not excrete polychlorinated biphenyls (PCBs)but instead stores them in the

A)lungs.
B)kidneys.
C)liver.
D)muscles.
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52
Marta collects kitchen scraps and yard clippings in a bin outside of her home to use in her garden.She is

A)recycling.
B)composting.
C)combusting.
D)source reducing.
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53
According to experts,what percentage of trash is recyclable?

A)35 percent
B)50 percent
C)75 percent
D)90 percent
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54
Radiation exposure is measured in which of the following units (also called roentgens)?

A)radiation ionized units
B)radiation absorbed doses
C)radiation exposed doses
D)radiation frequency units
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55
All of the following statements regarding cell phones are true EXCEPT

A)radio frequency energy from cell phones can penetrate your body.
B)cell phone use has been proven to pose a clear risk of human tissue damage.
C)for the highest level of safety,it is best to use a hands-free device.
D)the global burden of e-waste from cell phones has skyrocketed in recent years.
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56
The term for an environmental contaminant that causes potential harm to living organisms is

A)pollutant.
B)hazard.
C)runoff.
D)compound.
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57
A measure of the amount of greenhouse gases produced,shown as units of carbon dioxide emissions,is the

A)smog level.
B)carbon level.
C)carbon footprint.
D)air quality index.
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58
The average number of births a female in a given population has during her reproductive years is the

A)conception rate.
B)birth rate.
C)fertility rate.
D)reproductive rate.
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59
Which inexpensive device can be attached to faucets and showerheads to reduce water consumption?

A)filter
B)aerator
C)pump
D)gasket
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60
Lydia is listening to her MP3 player at a decibel level of 80.This is about

A)10 percent softer than a vacuum cleaner.
B)10 percent louder than a vacuum cleaner.
C)10 times louder than a vacuum cleaner.
D)as loud as a chainsaw.
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61
A decibel level of 110 is 10 times louder than 100 decibels.
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62
Toxic waste (hazardous waste)in landfills and dump sites can harm the environment but has little impact on human health.
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63
Identify three strategies for protecting your hearing when listening to an MP3 player.
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64
Explain how taking steps to preserve natural resources,including energy,food,water,and land,can save you money.
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65
Approximately 45% of the radiation that Americans are exposed to is from medical and dental x-rays.
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66
Oil,coal,and natural gas are examples of fossil fuels,which are carbon-based fuels.
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67
Explain why slowing the world's population growth is a critical environmental challenge today.
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68
Explain the concept of an ecological footprint and identify the source contributing most greatly to humanity's ecological footprint.
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69
The climate change that has occurred over the last 100 years is primarily due to human activities.
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70
Evidence suggests that pollution levels within homes and other buildings can be 2 to 5 times higher than in outdoor air.
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71
Runoff from a parking lot is considered nonpoint source pollution.
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72
The federal government established Superfund to provide money for water conservation efforts in certain communities.
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73
All forms of radiation pose a threat to human health.
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74
Discuss three ways you can reduce the waste you generate at home.
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75
Environmental tobacco smoke contains over 40 compounds linked to lung cancer,asthma,heart disease,and sudden infant death syndrome.
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76
Most solid municipal waste is recycled.
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77
Discuss the three main areas of focus in preventing indoor air pollution.
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